In order to eat safely, I think we make some food by ourselves instead of buying some.
— Where can I put my shoes? — You can ________ under the bed.
—________ girls are there in your class? — Fifteen.
Here is a photo ______ our classmates.
Tom is stronger than ____________ in his class.
— Dick, is Nick your twin brother? — Yes, and I’m thirty minutes _____ than him.